Ninety four-year-old Manekshaw, who had led India to victory in the 1971 Indo-Pak war, has developed 'acute broncho pneumonia' with associated complications and his condition has been serious for the past four days, the sources told PTI.

The condition of the 94-year-old former Army chief, continues to be serious and his vital parameters are unchanged, a medical bulletin issued by the hospital on Thursday evening said .

Manekshaw is being provided with best medical support at the intensive care unit of the military hospital, they said, adding the team of doctors treating him were being assisted by a pulmonologist who has come from the Army Hospital in New Delhi.

Replying to questions, he said according to medical advise there was no no necessity to shift him to either Delhi or Bangalore. All the required treatment was adequate in Wellington, he said.

A medical bulletin issued by Commanding Officer, Wellington, E J Kochekan, read, 'it is hoped that the Field Marshal will respond positively to the treatment'.